/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL ES 3.0 Module
 * -------------------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Texture State Query tests.
 *//*--------------------------------------------------------------------*/

#include "es3fTextureStateQueryTests.hpp"
#include "glsStateQueryUtil.hpp"
#include "glsTextureStateQueryTests.hpp"

#include "gluRenderContext.hpp"
#include "glwEnums.hpp"

using namespace deqp::gls::StateQueryUtil;

namespace deqp
{
namespace gles3
{
namespace Functional
{

static const char* getVerifierSuffix (QueryType type)
{
	switch (type)
	{
		case QUERY_TEXTURE_PARAM_INTEGER:	return "_gettexparameteri";
		case QUERY_TEXTURE_PARAM_FLOAT:		return "_gettexparameterf";
		default:
			DE_ASSERT(DE_FALSE);
			return DE_NULL;
	}
}

#define FOR_EACH_VERIFIER(VERIFIERS, CODE_BLOCK)												\
	for (int _verifierNdx = 0; _verifierNdx < DE_LENGTH_OF_ARRAY(VERIFIERS); _verifierNdx++)	\
	{																							\
		QueryType verifier = (VERIFIERS)[_verifierNdx];											\
		CODE_BLOCK;																				\
	}

TextureStateQueryTests::TextureStateQueryTests (Context& context)
	: TestCaseGroup(context, "texture", "Texture State Query tests")
{
}

void TextureStateQueryTests::init (void)
{
	using namespace gls::TextureStateQueryTests;

	static const QueryType verifiers[] =
	{
		QUERY_TEXTURE_PARAM_INTEGER,
		QUERY_TEXTURE_PARAM_FLOAT
	};

	static const struct
	{
		const char*	name;
		glw::GLenum	target;
	} textureTargets[] =
	{
		{ "texture_2d",			GL_TEXTURE_2D		},
		{ "texture_3d",			GL_TEXTURE_3D		},
		{ "texture_2d_array",	GL_TEXTURE_2D_ARRAY	},
		{ "texture_cube_map",	GL_TEXTURE_CUBE_MAP	}
	};
	static const struct
	{
		const char*	name;
		const char*	desc;
		TesterType	tester;
	} states[] =
	{
		{ "texture_swizzle_r",			"TEXTURE_SWIZZLE_R",		TESTER_TEXTURE_SWIZZLE_R		},
		{ "texture_swizzle_g",			"TEXTURE_SWIZZLE_G",		TESTER_TEXTURE_SWIZZLE_G		},
		{ "texture_swizzle_b",			"TEXTURE_SWIZZLE_B",		TESTER_TEXTURE_SWIZZLE_B		},
		{ "texture_swizzle_a",			"TEXTURE_SWIZZLE_A",		TESTER_TEXTURE_SWIZZLE_A		},
		{ "texture_wrap_s",				"TEXTURE_WRAP_S",			TESTER_TEXTURE_WRAP_S			},
		{ "texture_wrap_t",				"TEXTURE_WRAP_T",			TESTER_TEXTURE_WRAP_T			},
		{ "texture_wrap_r",				"TEXTURE_WRAP_R",			TESTER_TEXTURE_WRAP_R			},
		{ "texture_mag_filter",			"TEXTURE_MAG_FILTER",		TESTER_TEXTURE_MAG_FILTER		},
		{ "texture_min_filter",			"TEXTURE_MIN_FILTER",		TESTER_TEXTURE_MIN_FILTER		},
		{ "texture_min_lod",			"TEXTURE_MIN_LOD",			TESTER_TEXTURE_MIN_LOD			},
		{ "texture_max_lod",			"TEXTURE_MAX_LOD",			TESTER_TEXTURE_MAX_LOD			},
		{ "texture_base_level",			"TEXTURE_BASE_LEVEL",		TESTER_TEXTURE_BASE_LEVEL		},
		{ "texture_max_level",			"TEXTURE_MAX_LEVEL",		TESTER_TEXTURE_MAX_LEVEL		},
		{ "texture_compare_mode",		"TEXTURE_COMPARE_MODE",		TESTER_TEXTURE_COMPARE_MODE		},
		{ "texture_compare_func",		"TEXTURE_COMPARE_FUNC",		TESTER_TEXTURE_COMPARE_FUNC		},
		{ "texture_immutable_levels",	"TEXTURE_IMMUTABLE_LEVELS",	TESTER_TEXTURE_IMMUTABLE_LEVELS	},
		{ "texture_immutable_format",	"TEXTURE_IMMUTABLE_FORMAT",	TESTER_TEXTURE_IMMUTABLE_FORMAT	},
	};

	for (int targetNdx = 0; targetNdx < DE_LENGTH_OF_ARRAY(textureTargets); ++targetNdx)
	{
		addChild(createIsTextureTest(m_testCtx,
									 m_context.getRenderContext(),
									 std::string() + textureTargets[targetNdx].name + "_is_texture",
									 "IsTexture",
									 textureTargets[targetNdx].target));

		for (int stateNdx = 0; stateNdx < DE_LENGTH_OF_ARRAY(states); ++stateNdx)
		{
			if (!isLegalTesterForTarget(textureTargets[targetNdx].target, states[stateNdx].tester))
				continue;

			FOR_EACH_VERIFIER(verifiers, addChild(createTexParamTest(m_testCtx,
																	 m_context.getRenderContext(),
																	 std::string() + textureTargets[targetNdx].name	+ "_" + states[stateNdx].name + getVerifierSuffix(verifier),
																	 states[stateNdx].desc,
																	 verifier,
																	 textureTargets[targetNdx].target,
																	 states[stateNdx].tester)))
		}
	}
}

} // Functional
} // gles3
} // deqp
